One Gene Many Disorders: POTS, EDS, IBS, FM, ME/CFS, and more

First, at least for me [Cort Johnson], there was chronic fatigue syndrome (ME/CFS) and fibromyalgia (FM). Then I learned about irritable bowel syndrome (IBS), then POTS and in the last five years Ehler’s-Danlos (EDS) and Mast Cell Activation Syndrome (MCAS).

The more researchers looked the more they seemed to uncover a large group of syndromes which tended to flock together.

Anyone who has ME/CFS or FM now has to consider whether they also might have